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Finding the Fourth Proportional to 269,688.66, 404,713.41 and 111,917.10

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Solution

The fourth proportional to 269,688.66, 404,713.41 and 111,917.10 is: 167,950.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,688.66 : 404,713.41 = 111,917.10 : x
  2. Step 2: Convert to fraction form
    269,688.66/404,713.41 = 111,917.10/x
  3. Step 3: Cross multiply
    269,688.66x = 404,713.41 × 111,917.10
  4. Step 4: Simplify right side
    269,688.66x = 45,294,351,178.31
  5. Step 5: Solve for x
    x = 45,294,351,178.31/269,688.66
  6. Step 6: Final answer
    x = 167,950.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.